/**
 * base64客户端
 */
var base64Client = {
	
	/**
	 * base 64解码 
	 * @param {Object} text
	 * @param {Object} charset
	 */
	decode: function(text, charset,successed,failed) {
		var url=ajax.getRootName()+"/base64/decode";
		var params="string="+text+"&charset="+charset;
		ajax.post(url,params,successed,failed);
	},
}